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shahnawaz_ali
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SCHOOL (5)
BASIC (173)
EASY (203)
MEDIUM (124)
HARD (15)
- Rotate Array
- DELETED - Sum of two Squares [Duplicate]
- Sort String
- Print Linked List
- Find Length of Linked List
- Power of Four
- Check for Binary String
- Size of Binary Tree
- Count Leaves in Binary Tree
- Queue using Linked List
- Replace all 0's with 5
- Count zeros in a sorted matrix
- Largest product
- Preorder Traversal
- C++ STL | Set 1 (vector)
- C++ STL | Set 5 (queue)
- Equal Sum and XOR
- Smallest divisible number
- Remainder with 7
- Palindromic Array
- Multiply Matrices
- Linked List Insertion At End
- Circular Linked List Traversal
- Is Linked List Length Even?
- Identical Linked Lists
- Bit Difference
- Array Search
- Binary String
- Multiply Array
- Rearranging array
- Mega Sale
- Sum of Array
- Sum of Natural Numbers
- Searching in an Array
- Count pair sum
- Print Elements of Array
- Elements before which no element is bigger
- Sort the Half Sorted
- At least two greater elements
- Type of array
- Sort a String
- Check if divisible by 11
- Check if divisible by 4
- Maximum product of two numbers
- Value equal to index value
- Segregate Even and Odd numbers
- Encrypt the string - 1
- Reverse sub array
- Sum of distinct elements
- Uncommon characters
- Swap kth elements
- Reversing the vowels
- Rock Paper Scissors!
- Max-Min conversion
- Fake Profile
- Lower case to upper case
- Remove repeated digits in a given number
- Remove Spaces
- Missing number in shuffled array
- Last index of One
- Good String
- String with numbers at its end
- One odd Occuring
- Split Strings
- Array Subset
- Rotating an Array
- Remove Duplicates from unsorted array
- Find Substring from last of the Given String
- Minimum sum of two elements from two arrays
- Even occurring elements
- Count of smaller elements
- Positive and negative elements
- Pattern of Strings
- Print first letter of every word in the string
- Perfect Reversible String
- Remove character
- Convert String to LowerCase
- Triangle shrinking downwards
- Triangle growing downwards
- Reverse a String
- Magical String[Duplicate Problem]
- Addition of Two Numbers
- 1s Complement
- Odd or Even
- XOR of all elements
- The OR Gate
- The AND Gate
- Smallest Missing in Sorted Array
- Check for Power
- Check if divisible by 36
- Odd Divisors
- Vowel or Not
- The XOR Gate
- Decision Making in Java
- Combinational Logic
- Java Hello World
- Strong Numbers
- Check if divisible by 5
- Check if a number can be expressed as x^y
- LCM And GCD
- nth digit of Fibonacci
- LCM of given array elements
- Small Factorial
- Mean of an Array
- Cube root of a number
- Leap Year
- Find the remainder
- Strong Numbers
- Median of an Array
- Sort first half in ascending and second half in descending
- Celsius to Fahrenheit Conversion
- Factorial Number
- Factorial
- Automorphic Number
- Number of divisors
- Parity of unsigned integer
- Sum of Digit is Palindrome or not
- Perfect Number
- Sum of an AP
- Greatest of three numbers
- Pairs with given XOR
- Simple Interest
- Binary number to decimal number
- Series AP
- Common Divisors
- Sum of divisors
- Multiples Power
- Area of Rectangle, Right Angled Triangle and Circle
- Count numbers divisible by M
- Count zero
- Check if the door is open or closed
- Find difference between sum of diagonals
- Multiplication Table
- Ladoo problem
- Remainder Evaluation
- Pattern Printing
- Print 1 to n without using loops
- Count Squares
- Maximum distance
- Matching Pair
- Check if the number is Fibonacci
- Middle of Three
- Repeated sum of digits
- Sum of Digits Divisibility
- Print the Kth Digit
- Numbers containing 0's from 1 to N
- Swap two numbers
- 12 hour clock Multiplication
- 12 hour clock addition
- 12 hour clock subtraction
- Composite Series
- Number of Integer solutions
- Repetitive Addition Of Digits
- Pairs of prime number
- Pattern Jumping
- Weird Number
- Perfect Squares in a Range
- Point lies or not
- Flying Jet
- Multiple of N closest to X
- Make a Distinct Digit Array
- Perfect Cubes in a Range
- Minimum difference pair
- The Lazy Caterer's Problem
- Sum of product of x and y with floor(n/x) = y
- Finding Position
- Squares in a Matrix
- Parallel or Perpendicular?
- Diagonal sum
- Sum of primes
- Count Sorted Rows
- Check if given four points form a square
- Sorted matrix
- Sorting Elements of an Array by Frequency
- Rotate a Linked List
- Sort a linked list of 0s, 1s and 2s
- Add Number Linked Lists
- Detect Loop in linked list
- QuickSort on Doubly Linked List
- Count BST nodes that lie in a given range
- Check for BST
- Merge Sort
- Binary Tree from Inorder and Postorder
- Delete without head pointer
- Intersection in Y Shaped Lists
- Diameter of a Binary Tree
- Merge two sorted linked lists
- Sum Tree
- Connect Nodes of Levels
- Flattening a Linked List
- Stack using Queue
- Tree Boundary Traversal
- Implement stack using array
- Max sum path in two arrays
- Largest subarray with 0 sum
- Vertical Tree Traversal
- Find kth element of spiral matrix
- Max sum in the configuration
- Kth smallest element in a Matrix
- Remove loop in Linked List
- Sum of permutations
- Implement Atoi
- Maximum Difference
- Palindrome Linked List
- Delete keys in a Linked list
- Root to leaf paths sum
- Print Nodes having K leaves
- Find triplets with zero sum
- Level order traversal
- Peak element
- Ancestors in Binary Tree
- Root to Leaf Paths
- Linked List that is Sorted Alternatingly
- Count set bits
- Reverse array in groups
- Smallest Positive Missing
- Power Of Numbers
- Wave Array
- Rearrange Array Alternately
- Rearrange an array with O(1) extra space
- Stock buy and sell
- Kadane's Algorithm
- Majority Element
- Binary Array Sorting
- Count Inversions
- Two Repeated Elements
- Indexes of Subarray Sum
- Count the number of possible triangles
- Triplet Sum in Array
- Boolean Matrix
- Spirally traversing a matrix
- Rotate by 90 degree
- Next Greater Element
- Kth smallest element
- Ways to Reach the n'th Stair
- Egg Dropping Puzzle
- Minimum number of jumps
- Longest Increasing Subsequence
- Longest Common Subsequence
- 0 - 1 Knapsack Problem
- Implement Trie
- Excel Sheet | Part - 1
- Sort 0s, 1s and 2s
- Maximum Index
- Flip Bits
- Equal Sum
- Longest Span in two Binary Arrays
- Sum of Middle elements of two sorted arrays
- Pair array product sum
- Single Among Doubles in a Sorted
- Single Among Doubles
- Pythagorean Triplet
- Search in Rotated Sorted Array
- Sum of bit differences
- Minimums in Array
- Form the Largest Number
- Maximum Product Subarray
- Row with max 1s
- Sort in specific order
- Max Sum without Adjacents
- Maximum length Bitonic Subarray
- k largest elements
- Minimum steps to get desired array
- Product Pair
- K-th element of two Arrays
- Arranging the array
- Possible groups
- Fill array with 1's
- First negative in every window of size k
- Find the number of subarrays having even sum
- Minimum sum
- Surpasser Count
- Permutations of a String
- Sum of Products
- Game of XOR
- Angle between hour and minute hand
- Coin Change (Count Ways)
- Sieve of Eratosthenes
- Dice throw
- Count ways to N'th Stair(Order does not matter)
- Knapsack with Duplicate Items
- nCr
- Magic Triplets
- Matchsticks game
- Prime Pair with Target Sum
- Count Numbers in Range
- Number of paths
- Permutation with Spaces
- Return two prime numbers
- Find Prime numbers in a range
- Multiply 2 matrices
- Next Permutation
- How Many X's?
- Stream First Non-repeating
- Segregate even and odd nodes in a Linked List
- Two odd Occuring
- Reverse Spiral Form of Matrix
- Reverse a linked list
- Frequency in a Linked List
- Delete N nodes after M nodes of a linked list
- Pairwise swap elements of a linked list
- Node at a given index in linked list
- Linked list of strings forms a palindrome
- Compare two linked lists
- Remove duplicates from an unsorted linked list
- Split a Linked List into two halves
- Delete in a Doubly Linked List
- Inorder Traversal
- Reverse a Doubly Linked List
- Bubble Sort
- Right View of Binary Tree
- K distance from root
- Mirror Tree
- Two Mirror Trees
- Maximum Width of Tree
- Height of Binary Tree
- Balanced Tree Check
- Kth from End of Linked List
- Middle of a Linked List
- Check If Circular Linked List
- Delete Middle of Linked List
- Transform to Sum Tree
- Find Transition Point
- Remove Duplicates from a Sorted Linked List
- Postorder Traversal
- Level Order in spiral form
- Reverse Level Order Traversal
- Insert a node in a BST
- Identical Trees
- Square Root
- Nodes without a Sibling
- Insertion at doubly linked list
- Lowest Common Ancestor in a BST
- Run Length Encoding
- Largest subarray of 0's and 1's
- Remove Duplicates Sorted Array
- BST Keys in a Range
- Odd even level difference
- Binary Tree to BST
- Equilibrium index of an array
- Remove every k'th node
- Third largest element
- Convert to Roman No
- Find Maximum value
- Multiply two linked lists
- Search a node in BST
- Expression Tree
- Max distance between same elements
- Count Occurrence of digit k
- Generate Grey Code Sequences
- Delete in a Singly Linked List
- Minimum distance in an Array
- Max Level Sum in Binary Tree
- Longest consecutive sequence in Binary tree
- Index of an Extra Element
- Sum of given range
- Insert in a Sorted List
- Level of a Node in Binary Tree
- Sum of leaf nodes in BST
- Max and min element in Binary Tree
- Reverse Using Stack
- Delete Alternate Nodes
- First Set Bit
- Power of 2
- Frequencies in a Limited Array
- Equilibrium Point
- Array Leaders
- Floor in a Sorted Array
- Minimum Number in a sorted rotated array
- Anagram
- String Rotated by 2 Places
- Most Frequent Character
- Non Repeating Character
- Parenthesis Checker
- Generate Binary Numbers
- Count number of hops
- First Repeating Element
- Union of Arrays with Duplicates
- Reach a given score
- Check Equal Arrays
- Missing in Array
- Product array puzzle
- Roman Number to Integer
- Intersection of Arrays with Distinct
- Missing And Repeating
- Subarrays with given sum
- Buildings receiving sunlight
- Pairs of equals Sum
- Max value
- Count the elements
- Maximum Gap
- Professor and Parties
- Equal Point in Sorted Array
- Find Maximum Sum Strictly Increasing Subarray
- Common in 3 Sorted Arrays
- Good Pairs
- Sorted and Rotated Minimum
- Maximum no of 1's row
- Sum of elements between k1'th and k2'th smallest elements
- Search in a Row-Column sorted matrix
- Move All Zeroes to End
- String Duplicates Removal
- Min sum formed by digits
- Min Subsets with Consecutive Numbers
- Minimize the sum of product
- Missing number
- Move all negative elements to end
- Unusual String Sort
- Find Pair Given Difference
- Pairs with difference k
- Permutations in array
- Pair with greatest product in array
- Drive the car
- Fascinating Number
- Minimize Difference in Task Priorities
- Bitonic Point
- Left most and right most index
- Smallest subarray with sum greater than x
- Amend The Sentence
- Sort Array II
- Single Number
- Count increasing Subarrays
- Alternate Positive Negative
- Maximum Possible Sum of Products
- Largest Even Number
- Remove Consecutive Characters
- Kth distance
- Count Alphabets
- Rahul a Geek
- Rearrange a string
- Sherlock a Detective
- Remove Duplicates
- Sum of two numbers represented as arrays
- Facing the sun
- Greater on right side
- Second Largest
- Convert array into Zig-Zag fashion
- Two Sum - Pair with Given Sum
- Equal point in a string of brackets
- Number of occurrence
- Maximum repeating number
- Convert an array to reduced form
- Check if array is sorted
- Sum Pair closest to target
- Count even substrings
- Largest Fibonacci Subsequence
- First Repeated Character
- Two sum -Pairs with 0 Sum
- Positive distinct count
- Three Great Candidates
- At Least K Occurrences
- Count the Zeros
- Total distance travelled in an array
- Maximum value K
- Four Elements
- Palindrome String
- Pattern Searching
- Is Binary Number Multiple of 3
- Padovan Sequence
- Circle and Lattice Points
- Armstrong Numbers
- AND operation
- Love For The Twins
- Nth Fibonacci Number
- Ceil The Floor
- Number of factors
- Sum Of Digits
- Palindrome
- Element that appears once where every element occurs twice
- Prime Number
- Number of digits
- Party of Couples
- Find sum of divisors
- Element in a Sequence
- Count numbers containing 4
- Exponentiation (Set 2)
- Divisible Numbers
- Arrange the Balls
- Number Of Open Doors
- Numbers with same first and last digit
- Perfect Numbers
- Pair cube count
- Forming Rectangle
- Number that are not divisible
- Odd Game
- Series GP
- Sum of First N Natural Numbers
- Subarray with least average
- Seeds of a number
- The Prime Twins
- Prime Factors
- Sum of product of all pairs
- Summed Matrix
- Lexicographically Previous Permutation
- Playing with mobile numbers
- Multiply two polynomials
- Inorder Traversal and BST
- Print Pattern
- Crack the series
- Sum of dependencies in a graph